Question 1

Communication media that use an antenna for transmitting data through air or water are called__________.

Accepted Answer

A)  radiated media 
B)  conducted media 
C)  wired media 
D)  guided media 
E)  Select 
A)  radiated media 
B)  conducted media 
C)  wired media 
D)  guided media 
E)  Select

Question 2

_____ have the highest bandwidth of any communication medium.

Accepted Answer

A)  Coaxial cables 
B)  Fiber-optic cables 
C)  Twisted pair copper cables 
D)  Ethernet cables 
A)  Coaxial cables 
B)  Fiber-optic cables 
C)  Twisted pair copper cables 
D)  Ethernet cables

Question 3

Distributed processing maintains decentralized control and centralized operations.

Accepted Answer

A) True 
 B)False

Question 4

__________is a technique that combines the strongest features of Wired Equivalent Privacy (WEP) and Extensible Authentication Protocol (EAP) techniques and helps improve the security of wireless networks.

Accepted Answer

A)  Service Set Identifier 
B)  Media access control 
C)  Code Division Multiple Access 
D)  Wi-Fi Protected Access 
E)  Select 
A)  Service Set Identifier 
B)  Media access control 
C)  Code Division Multiple Access 
D)  Wi-Fi Protected Access 
E)  Select

Question 5

A ring topology needs more cables to connect the nodes within a network than a star topology.

Accepted Answer

A) True 
 B)False

Question 6

In the context of the technologies developed to improve the efficiency and quality of digital communications, _____ divides each channel into six time slots.

Accepted Answer

A)  Time Division Multiple Access 
B)  time of observation 
C)  statistical time division multiplexing 
D)  Time Slot Allocation 
A)  Time Division Multiple Access 
B)  time of observation 
C)  statistical time division multiplexing 
D)  Time Slot Allocation

Question 7

In the context of mobile networking, 3G networks have decreased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

Accepted Answer

A) True 
 B)False

Question 8

In the context of data communication, which of the following media is based on "line of sight"?

Accepted Answer

A)  A terrestrial microwave 
B)  A mechanical wave 
C)  A coaxial cable 
D)  A fiber-optic cable 
A)  A terrestrial microwave 
B)  A mechanical wave 
C)  A coaxial cable 
D)  A fiber-optic cable

Question 9

Data communication technologies make Web and video conferencing easier, which can reduce the costs of business travel.

Accepted Answer

A) True 
 B)False

Question 10

In a centralized processing system, processing power is distributed among several locations.

Accepted Answer

A) True 
 B)False

Question 11

Any packet-switching network can handle multimedia data.

Accepted Answer

A) True 
 B)False

Question 12

Horizontal scaling of a client/server architecture means _____.

Accepted Answer

A)  migrating the network to decentralized servers 
B)  migrating the network to a faster communication media 
C)  adding more proxy servers 
D)  adding more workstations 
A)  migrating the network to decentralized servers 
B)  migrating the network to a faster communication media 
C)  adding more proxy servers 
D)  adding more workstations

Question 13

A__________is a collection of binary digits, including message data and control characters for formatting and transmitting, sent from computer to computer over a network.

Accepted Answer

A)  bandwidth 
B)  packet 
C)  topology 
D)  protocol 
E)  Select 
A)  bandwidth 
B)  packet 
C)  topology 
D)  protocol 
E)  Select

Question 14

Both Wireless LANs (WLANs) and Wireless WANs (WWANs) rely on the__________as the communication medium.

Accepted Answer

A)  multiplexer 
B)  CIA triangle 
C)  controller 
D)  radio frequency spectrum 
E)  Select 
A)  multiplexer 
B)  CIA triangle 
C)  controller 
D)  radio frequency spectrum 
E)  Select

Question 15

Which of the following statements is true of the different forms of sender and receiver devices?

Accepted Answer

A)  Thin clients have processing power. 
B)  Smart terminals are full-featured computers. 
C)  Workstations serve as stand-alone systems. 
D)  Netbook computers are high-cost computers with disks. 
A)  Thin clients have processing power. 
B)  Smart terminals are full-featured computers. 
C)  Workstations serve as stand-alone systems. 
D)  Netbook computers are high-cost computers with disks.

Question 16

In the context of security of wireless networks, which of the following is true of Wired Equivalent Privacy (WEP)?

Accepted Answer

A)  It is suitable for large networks with high bandwidths. 
B)  It is the most secure system for wireless networks. 
C)  In WEP, keys are dynamically generated based on the user's ID and password. 
D)  In WEP, a key must be entered manually into the access point and the client computer. 
A)  It is suitable for large networks with high bandwidths. 
B)  It is the most secure system for wireless networks. 
C)  In WEP, keys are dynamically generated based on the user's ID and password. 
D)  In WEP, a key must be entered manually into the access point and the client computer.

Question 17

_____ are glass tubes surrounded by concentric layers of glass, called "cladding," to form a light path through wire cables.

Accepted Answer

A)  Twisted pair cables 
B)  Copper line cables 
C)  Air-spaced coaxial cables 
D)  Fiber-optic cables 
A)  Twisted pair cables 
B)  Copper line cables 
C)  Air-spaced coaxial cables 
D)  Fiber-optic cables

Question 18

The bus topology connects nodes along a network segment, with the ends connected in a manner similar to a ring topology.

Accepted Answer

A) True 
 B)False

Question 19

A__________works well for companies that are geographically dispersed.

Accepted Answer

A)  ring topology 
B)  star topology 
C)  mesh topology 
D)  hierarchical topology 
E)  Select 
A)  ring topology 
B)  star topology 
C)  mesh topology 
D)  hierarchical topology 
E)  Select

Question 20

Which of the following events takes place in the most basic client/server configuration?

Accepted Answer

A)  The results of a query are sent to the server. 
B)  The server sends a request to the client over a network. 
C)  The client receives and processes a query. 
D)  The user creates a query by running client software. 
A)  The results of a query are sent to the server. 
B)  The server sends a request to the client over a network. 
C)  The client receives and processes a query. 
D)  The user creates a query by running client software.

Communication media that use an antenna for transmitting data through air or water are called__________.

_____ have the highest bandwidth of any communication medium.

Distributed processing maintains decentralized control and centralized operations.

__________is a technique that combines the strongest features of Wired Equivalent Privacy (WEP) and Extensible Authentication Protocol (EAP) techniques and helps improve the security of wireless networks.

A ring topology needs more cables to connect the nodes within a network than a star topology.

In the context of the technologies developed to improve the efficiency and quality of digital communications, _____ divides each channel into six time slots.

In the context of mobile networking, 3G networks have decreased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

In the context of data communication, which of the following media is based on "line of sight"?

Data communication technologies make Web and video conferencing easier, which can reduce the costs of business travel.

In a centralized processing system, processing power is distributed among several locations.

Any packet-switching network can handle multimedia data.

Horizontal scaling of a client/server architecture means _____.

A__________is a collection of binary digits, including message data and control characters for formatting and transmitting, sent from computer to computer over a network.

Both Wireless LANs (WLANs) and Wireless WANs (WWANs) rely on the__________as the communication medium.

Which of the following statements is true of the different forms of sender and receiver devices?

In the context of security of wireless networks, which of the following is true of Wired Equivalent Privacy (WEP)?

_____ are glass tubes surrounded by concentric layers of glass, called "cladding," to form a light path through wire cables.

The bus topology connects nodes along a network segment, with the ends connected in a manner similar to a ring topology.

A__________works well for companies that are geographically dispersed.

Which of the following events takes place in the most basic client/server configuration?

Information Systems: an Overview

Computers: the Machines Behind Computing

Database Systems, Data Warehouses, and Data Marts

Personal, Legal, Ethical, and Organizational Issues of Information Systems

Protecting Information Resources

The Internet, Intranets, and Extranets

E-Commerce

Global Information Systems

Building Successful Information Systems

Enterprise Systems

Management Support Systems

Intelligent Information Systems

Emerging Trends, Technologies, and Applications

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Exam 6: Data Communication: Delivering Information Anywhere and Anytime

Communication media that use an antenna for transmitting data through air or water are called__________.

_____ have the highest bandwidth of any communication medium.

Distributed processing maintains decentralized control and centralized operations.

__________is a technique that combines the strongest features of Wired Equivalent Privacy (WEP) and Extensible Authentication Protocol (EAP) techniques and helps improve the security of wireless networks.

A ring topology needs more cables to connect the nodes within a network than a star topology.

In the context of the technologies developed to improve the efficiency and quality of digital communications, _____ divides each channel into six time slots.

In the context of mobile networking, 3G networks have decreased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

In the context of data communication, which of the following media is based on "line of sight"?

Data communication technologies make Web and video conferencing easier, which can reduce the costs of business travel.

In a centralized processing system, processing power is distributed among several locations.

Any packet-switching network can handle multimedia data.

Horizontal scaling of a client/server architecture means _____.

A__________is a collection of binary digits, including message data and control characters for formatting and transmitting, sent from computer to computer over a network.

Both Wireless LANs (WLANs) and Wireless WANs (WWANs) rely on the__________as the communication medium.

Which of the following statements is true of the different forms of sender and receiver devices?

In the context of security of wireless networks, which of the following is true of Wired Equivalent Privacy (WEP)?

_____ are glass tubes surrounded by concentric layers of glass, called "cladding," to form a light path through wire cables.

The bus topology connects nodes along a network segment, with the ends connected in a manner similar to a ring topology.

A__________works well for companies that are geographically dispersed.

Which of the following events takes place in the most basic client/server configuration?

Information Systems: an Overview

Computers: the Machines Behind Computing

Database Systems, Data Warehouses, and Data Marts

Personal, Legal, Ethical, and Organizational Issues of Information Systems

Protecting Information Resources

The Internet, Intranets, and Extranets

E-Commerce

Global Information Systems

Building Successful Information Systems

Enterprise Systems

Management Support Systems

Intelligent Information Systems

Emerging Trends, Technologies, and Applications

Filters